Question

Find the refractive index of index of the material if angle of incidence of ray of light is 45┬░ and the angle of refraction in the material is 30┬░.

Answer 1

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Answer 2

given : sine i = 45° & sine r = 30 °

sine 45 / sine 30 = 1/√2 ÷ 1/√2

,= 2/√2

=√2

=1.41